Use 'frostbitten' when someone's skin is damaged due to extreme cold. The mountaineer's frostbitten toes needed medical attention.
Pro Tip 2/3
Immediate Cause
Stress that the injury is directly caused by cold exposure, not another injury. Without proper gloves, you risk having frostbitten fingers in this weather.
Pro Tip 3/3
Potential Severity
'Frostbitten' suggests varying degrees of cold damage, from mild to severe. Survivors of the blizzard showed up with partially frostbitten cheeks.